Feat: News in the client app (#34392)

client/plugins/fcc-source-news/gatsby-node.js

@@ -0,0 +1,55 @@
+const path = require('path');
+require('dotenv').config({ path: path.resolve(__dirname, '../../../.env') });
+const { MongoClient } = require('mongodb');
+
+const { createNewsNode } = require('./create-news-node');
+const { db } = require('../../../config/secrets');
+
+exports.sourceNodes = function sourceChallengesSourceNodes(
+  { actions, reporter },
+  pluginOptions
+) {
+  function handleError(err, client, reject) {
+    if (err) {
+      if (client) {
+        client.close();
+      }
+      reject(err);
+      reporter.panic(err);
+    }
+  }
+  const { maximumStaticRenderCount = 100 } = pluginOptions;
+  const { createNode } = actions;
+
+  return new Promise((resolve, reject) =>
+    MongoClient.connect(
+      db,
+      { useNewUrlParser: true },
+      async function(err, client) {
+        handleError(err, client, reject);
+
+        reporter.info('fcc-source-news connected successfully to mongo');
+        const db = client.db('freecodecamp');
+        const articleCollection = db.collection('article');
+
+        articleCollection
+          .aggregate([
+            { $match: { featured: true } },
+            { $sort: { firstPublishedDate: -1 } },
+            { $limit: maximumStaticRenderCount }
+          ])
+          .toArray((err, articles) => {
+            handleError(err, client, reject);
+
+            articles
+              .map(article => createNewsNode(article))
+              .map(node => createNode(node));
+
+            client.close();
+            reporter.info('fcc-source-news mongo connection closed');
+            return resolve();
+          });
+      }
+    )
+  );
+};